Parameter Estimation for Traffic Noise Models Using a Harmony Search Algorithm

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td align="left">Vehicle types</td><td align="center">Steady traffic flow (40 km/h to 140 km/h)</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td align="left">Large vehicle</td><td align="center"><span style="width: 105.8375px;"><svg height="18.85" id="M61" style="vertical-align:-4.10045pt" version="1.1" viewbox="0 0 105.8375 18.85" width="105.8375" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg></span></td></tr><tr><td align="left">Medium vehicle</td><td align="center"><span style="width: 98.224998px;"><svg height="17.3375" id="M62" style="vertical-align:-4.10045pt" version="1.1" viewbox="0 0 98.224998 17.3375" width="98.224998" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg></span></td></tr><tr><td align="left">Light truck</td><td align="center"><span style="width: 98.224998px;"><svg height="17.3375" id="M63" style="vertical-align:-4.10045pt" version="1.1" viewbox="0 0 98.224998 17.3375" width="98.224998" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg></span></td></tr><tr><td align="left">Car</td><td align="center"><span style="width: 98.224998px;"><svg height="17.3375" id="M64" style="vertical-align:-4.10045pt" version="1.1" viewbox="0 0 98.224998 17.3375" width="98.224998" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg></span></td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td><svg height="13.95" id="M65" style="vertical-align:-0.1638pt" version="1.1" viewbox="0 0 20.35 13.95" width="20.35" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> is a velocity.<br/></td></tr></table>

A-weighted sound power levels (<svg height="15.3875" id="M60" style="vertical-align:-3.38113pt" version="1.1" viewbox="0 0 28.762501 15.3875" width="28.762501" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg>) in dB for the different surface types.

Journal of Applied Mathematics

tab3

Table 3

Table 3: Parameter Estimation for Traffic Noise Models Using a Harmony Search Algorithm 